7 1
KEB COMBIVERT F4-C
4
Name: Basis
30.01.98
© KEB Antriebstechnik, 1997
All Rights reserved
Start-up
Chapter Section
Page Date
7.1.3 Checklist prior to
Start-up
Before switching on the inverter go through the following checklist.
þ Is the inverter firmly bolted in the control cabinet?
þ Is there enough space to ensure sufficient air circulation?
þ Are mains and motor cables as well as the control cables installed
separately from each other?
þ Are the inverters connected to the correct supply voltage?
þ Are all mass and earthing cables attached and well contacted?
þ Ensure that mains and motor cables are not interchanged as that
will lead to the destruction of the inverter!
þ Is the motor connected in-phase?
þ Check tacho, initiator and encoder for firm attachment and correct
connection!
þ Check, whether all power and control cables are firmly in place!
þ Remove any tools from the control cabinet!
þ Attach all covers and protective caps to ensure that all live parts
are secured against direct contact.
þ When using measuring instruments or computers an isolating
transformer should be used, if not, make sure that the equipotenial
bonding between the supply lines is guaranteed!
þ Open the control release of the inverter to avoid the unintended
starting of the machine.
Preparatory Measures
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